int main(int argc, char ** argv)
{
if (argc < 4)
{
printf("need four file names: input, output1, and output2");
return EXIT_FAILURE;
}
Student * stu = readStudent(argv[1]);
if (stu == NULL)
{
printf("readStudent fail\n");
return EXIT_FAILURE;
}
stu = sortStudentbyID(stu);
if (writeStudent(argv[2], stu) == EXIT_FAILURE)
{
printf("writeStudent fail\n");
return EXIT_FAILURE;
}
stu = sortStudentbyName(stu);
if (writeStudent(argv[3], stu) == EXIT_FAILURE)
{
printf("writeStudent fail\n");
return EXIT_FAILURE;
}
freeStudent(stu);
return EXIT_SUCCESS;
}
int main(int argc, char ** argv)
{
if (argc < 4)
{
printf("need four file names: input, output1, and output2");
return EXIT_FAILURE;
}
int numberStudent; /* not initialized */
if (countStudent(argv[1], & numberStudent) == EXIT_FAILURE)
{
printf("countStudent fail\n");
return EXIT_FAILURE;
}
Student * studentArray; /* not initialized */
studentArray = allocateStudent(numberStudent);
if (studentArray == NULL)
{
printf("allocateStudent fail\n");
return EXIT_FAILURE;
}
if (readStudent(argv[1], studentArray, numberStudent) == EXIT_FAILURE)
{
printf("readStudent fail\n");
return EXIT_FAILURE;
}
sortStudentbyID(studentArray, numberStudent);
if (writeStudent(argv[2], studentArray, numberStudent) == EXIT_FAILURE)
{
printf("writeStudent fail\n");
return EXIT_FAILURE;
}
sortStudentbyName(studentArray, numberStudent);
if (writeStudent(argv[3], studentArray, numberStudent) == EXIT_FAILURE)
{
printf("writeStudent fail\n");
return EXIT_FAILURE;
}
freeStudent(studentArray, numberStudent);
return EXIT_SUCCESS;
}
int main(){
srand(time(0));
int facultyCount = rand() % 2000 + 1000; //average 2500 faculty
int studentCount = facultyCount * 5 + rand() % 1000 - rand() % 1000; //average 12.5k students
int organizationCount = studentCount / 25 + rand() % 200 - rand() % 200;//average 500 organizations
int courseCount = facultyCount / 5; //average 500 courses offered
cout<<facultyCount<<" Faculty\n"<<studentCount<<" Students \n"<<organizationCount<<" Groups\n"<<courseCount<<" Courses\n";
//create our base objects for the university
cout<<"Hiring Faculty..."<<endl;
for(int i = 0; i < facultyCount; i++){
faculty.push_back(Faculty());
}
cout<<"Accepting Student Applications..."<<endl;
for(int i = 0; i < studentCount; i++){
students.push_back(Student());
}
cout<<"Founding Organizations..."<<endl;
for(int i = 0; i < organizationCount; i++){
organizations.push_back(Organization());
}
cout<<"Designing Curriculum..."<<endl;
unordered_set<string> uniqueCourses; //the set stores only unique values and determines duplicates in O(1) time. This is how we keep from regenerating the same class twice
for(int i = 0; i < courseCount; i++){
Class newClass;
string key;
do{
newClass = Class(); //regenerate a class if it already exists
key = newClass.subject + itos(newClass.number);
}while(uniqueCourses.find(key) != uniqueCourses.end()); //loop until we fail to find a course with this key value. then we'll know it's unique
uniqueCourses.insert(uniqueCourses.begin(), key);
courses.push_back(newClass);
}
//create relations between these base objects (a.k.a the hard part).
cout<<"Opening Registration & Open House..."<<endl;
for(int i = 0; i < studentCount; i++){
for(int j = 0; j < (rand() % 20)+1; j++){//average 10 enrollments over the course of 4 semesters
enrollment.push_back(EnrolledIn(students[i]));
}
for(int j = 0; j < rand() % 4; j++){ //up to 3 memberships per student
membership.push_back(MemberOf(students[i]));
}
}
cout<<"Assigning Professors..."<<endl;
for(int i = 0; i < facultyCount; i++){
for(int j = 0; j < rand() % 4; j++){ //faculty can teach up to 3 courses
instruction.push_back(Teaches(faculty[i]));
}
}
cout<<"Volunteering Faculty to Organizations..."<<endl;
for(int i = 0; i < organizationCount; i++){
if(rand() % 5 == 0) leadership.push_back(Leads()); //a quarter of organizations have faculty leadership
}
cout<<"Checking constraints..."<<endl;
for(int i = 0; i < courseCount; i++){
if(courses[i].size == 0){
cout<<"Empty course fixed\n";
enrollment.push_back(EnrolledIn(&courses[i]));
}
if(!courses[i].hasProf){
cout<<"Untaught course fixed\n";
instruction.push_back(Teaches(&courses[i]));
}
}
for(int i = 0; i < organizationCount; i++){
if(organizations[i].size == 0){
cout<<"Empty organization fixed\n";
membership.push_back(MemberOf(&organizations[i]));
}
}
cout<<"Writing data to file...\n"<<endl; //self explanatory vvvvvv
openFile();
for(int i = 0; i < facultyCount; i++){
writeFaculty(faculty[i].ID, faculty[i].name, faculty[i].salary);
}
for(int i = 0; i < studentCount; i++){
writeStudent(students[i].UIN, students[i].name, students[i].major, students[i].advisorID);
}
for(int i = 0; i < organizationCount; i++){
writeStudentOrganization(organizations[i].ID, organizations[i].name, organizations[i].category);
}
for(int i = 0; i < courseCount; i++){
writeCourse(courses[i].subject, courses[i].number, courses[i].hours, courses[i].title);
}
for(int i = 0; i < enrollment.size(); i++){
writeEnrolledIn(itosem(enrollment[i].semester), enrollment[i].subject, enrollment[i].number, enrollment[i].UIN, itograde(enrollment[i].grade));
}
for(int i = 0; i < instruction.size(); i++){
writeTeaches(instruction[i].subject, instruction[i].number, instruction[i].facultyID, itosem(instruction[i].semester));
}
for(int i = 0; i < leadership.size(); i++){
writeLeads(leadership[i].facultyID ,leadership[i].studentOrgID, itos(leadership[i].joinedMo)+"/"+itos(leadership[i].joinedYr));
}
for(int i = 0; i < membership.size(); i++){
writeMemberOf(membership[i].UIN, membership[i].studentOrgID, itos(membership[i].joinedMo)+"/"+itos(membership[i].joinedYr));
}
closeFile();
cout<<"All data generated"<<endl;
}
